Ho hlatswa ka phosgeneke ts'ebetso ea bohlokoa ea ho tlosa khase ena e kotsi ho tsoa mesi e kotsi ea indasteri, ho sireletsa basebetsi, sechaba le tikoloho ha ka nako e ts'oanang ho netefatsa hore ho lateloa melaoana e thata joalo ka e tsoang ho Setsi sa Tšireletso ea Tikoloho (EPA).
Ntho ea bohlokoa ts'ebetsong ena kesesupa-tsela sa ho hlatswa mahloriso a metsi, sesebediswa se lekola bongata ba metsi a ho hlatswa jwalo ka sodium hydroxide (NaOH) ho boloka monyelo o motle. Ka ho thibela mathata a kang ho se hlapolle kapa ho se hlapolle ho feta tekano, dimetara tsena di ntlafatsa tshebetso yalitsamaiso tsa ho hlatsoa khase.
Lonnmeter, moetsi ea etellang pele le ea nang le boiphihlelo bakeng sa li-sensor tse bohlale tsa ts'ebetso, o ipabola ho hlahiseng li-sensor tse tšoarellang tsa ts'ebetso ea indasteri ho ntlafatsa boemo ba othomathiki ba mohala oa tlhahiso o kopaneng. Hore na umohlahisi oa isocyanate,moetsi oa polycarbonatekapa laolasebaka sa taolo ea litšila, Methapo ea mahloriso ea Lonnmeter ke litharollo tse ka sebelisoang ho ntlafatsa ts'ebetso le ho fokotsa litšenyehelo.
Ho Utloisisa ho Hlakola Khase ea Phosgene
Ho hlatswa ho kenyeletsa ho fetisa khase e nang le phosgene katora ea ho hloekisa khasekapa sistimi moo mokelikeli, hangata NaOH, o thibang kapa o monyang khase, o e fetola metsoako e sireletsehileng joalo ka sodium carbonate (Na₂CO₃) le sodium chloride (NaCl). Katleho ea ts'ebetso ena e itšetlehile ka ho boloka mahloriso a nepahetseng a mokelikeli o hlatsoang, e leng moolimithara tsa mahloriso a metsi a ho hlapabapala karolo ea bohlokoa.
Ke Hobane'ng ha Phosgene Gas Scrubbing e Hlokahala?
Ho hlatsoa khase ea phosgenee bohlokoa ka mabaka a 'maloa:
Polokeho:Ho pepesehela phosgene maemong a tlase ho 3-5 ppm ho ka baka ho teneha ha phefumoloho, ha maemo a hodimo a lebisa ho ruruha ha matšoafo. Ho hlatswa ho thibela ho pepesehela basebetsi le setjhaba.
Ho Latela Melao:Melao e thata, e kang e tsoang ho EPA, e laela ho beha leihlo le ho laola mesi e ntšang phosgene ho sireletsa tikoloho.
Tšireletso ea Tikoloho:Ho ntšoa ha phosgene ho sa laoleheng ho ka silafatsa moea le metsi, ha senya tikoloho.
Tswelopele ya Tshebetso:Ho hlatswa ka katleho ho thibela ho hloleha ha sistimi, ho netefatsa tlhahiso e sa sitisoeng ke letho.
Li-Scrubber tsa Caustic bakeng sa ho Hlakola Khase ea Phosgene
Li-scrubbers tsa caustic li sebelisoa haholoho hlatswa ka phosgeneka lebaka la bonolo ba tsona le katleho ea tsona. Li sebetsa ka ho fetisa khase ea fosgene ka har'a kholomo e tletseng NaOH, e arabelang ho theha Na₂CO₃, NaCl, le metsi. Lintlha tsa bohlokoa li kenyelletsa:
Tlhokomelo ea Mahloriso:Khakanyo ea NaOH e lokela ho bolokoa ka har'a 5-20 wt% ho netefatsa ho monngoa ka katleho.
Taolo ea Mocheso:Karabelo ea exothermic e hlahisa mocheso, e hlokang sistimi ea ho pholisa.
Ho bokella letsoai:Maemo a phahameng a NaCl kapa Na₂CO₃ (5–30 wt%) a ka baka ho kristaleha, e leng se hlokang hore letsoai le tlosoe ho thibela ho thibana ha sistimi.
Ho se sebetse hape:Lipompo tsa bekapo le lisebelisoa tsa motlakase tsa tšohanyetso li netefatsa ts'ebetso e tsoelang pele.
Karolo ea ho Hlatsoa Methapo ea Mahloriso a Metsi
Li Sebetsa Joang?
Methara ea mahloriso a metsi a ho hlatswalekanya mahloriso a NaOH, NaCl, le Na₂CO₃ ka nako ea sebele, ho netefatsa ho monngoa ho hotle kalitsamaiso tsa ho hlatsoa khaseKa ho sebelisa theknoloji ea ultrasound, limithara tsena li sekaseka lebelo la molumomanufacmolaod ka Lonnmeterho fumana mahloriso.
Sensor ea ho qoelisa ea mithara hangata e kenngoa liphaepheng tsa DN 80 pakeng tsa scrubber le tanka ea tsosoloso, e kopantsoeng le litsamaiso tsa taolo bakeng sa liphetoho tse iketsang.
Litšebeliso ho Phosgene Scrubbing
Tlhokomelo e Keneleng:E netefatsa hore motsoako oa metsi o tsitsitse nakong ea ho hlatsoa.
Taolo ea Ts'ebetso:E fetola tekanyo ea NaOH ka bo eona kapa ho tlosoa ha letsoai ho thibela ho kristaleha.
Tsamaiso ea Litšila:E lekola dikhemikhale tse setseng bakeng sa ho sebediswa hape kapa ho lahla.
Melemo ea ho Hlakola Tekanyo ea Mahloriso a Metsi
Polokeho e Ntlafalitsoeng
Tekanyo ea ho hlatswa mahloriso a metsie netefatsa hore mokelikeli o hlatsoang o sebetsa kamehla, e leng se fokotsang kotsi ea phosgene e phatlohang. Sena se bohlokoa bakeng sa ho sireletsa basebetsi le sechaba hore ba se ke ba pepesehela khase ena e chefo haholo.
Ho Latela Melao
Liindasteri li tlameha ho latela melaoana e thata, joalo ka e tsoang ho EPA le OSHA. Limithara tsa mahloriso li fana ka lintlha tse nepahetseng, tsa nako ea sebele bakeng sa tlaleho ea likhase tse ntšang mosi, ho nolofatsa li-audit le ho qoba likotlo.
Bokgoni ba Ts'ebetso
Tlhokomelo ea nako ea sebele e thibela ho se sebetse hantle ho bakoang ke ho se leka-lekane ho fosahetseng, e fokotsang nako ea ho se sebetse ha sistimi le litlhoko tsa tlhokomelo. Mohlala, fektheri ea lik'hemik'hale e bolokile hora e le 'ngoe ka letsatsi litšenyehelong tsa basebetsi ka ho iketsetsa liteko tsa ho se leka-lekane.
Lipholoso tsa Litšenyehelo
Ka ho ntlafatsa tšebeliso ea NaOH le ho thibela ho fokotseha ha tekanyo ea d ho feta tekano,limithara tsa mahloriso a metsi a ho hlapafokotsa litšenyehelo tsa litšila le tsa ho tlatsa hape, e leng se fanang ka poloko e kholo bakeng sa ts'ebetso e nang le bongata bo boholo.
Likarolo tsa Tekheniki le Kopanyo
Ho kenya le ho sebetsa
Methara ea mahloriso a metsi a ho hlatswali kentsoe ka har'a liphaephe kapa litanka, ho sebelisoa li-sensor tse matla tse entsoeng ka thepa e tšoarellang ho mamella tikoloho e senyang. Li hokahana le litsamaiso tsa PLC/DCS bakeng sa taolo e iketsang, ho netefatsa liphetoho tsa nako ea sebele ho boloka mahloriso a nepahetseng.
Litlhoko tsa Tlhokomelo
Tekanyo:Litlhahlobo tsa nako le nako ho netefatsa ho nepahala.
Ho Hloekisa Lisensor:E thibela ho silafatsoa ke ho bokellana ha letsoai.
Litlhahlobo tsa Sisteme:Tlhahlobo ea kamehla ea lisebelisoa tsa elektroniki le likhokahano.
Mekhoa ea Nakong e Tlang ea ho Hlakola Khase ea Phosgene
Boiketsetso:Mekhoa e tsamaisoang ke AI e tla bolela esale pele hore na metsi a tla ba makae ho latela lintlha tsa nako ea sebele.
Li-sensor tse bohlale:E tla lekanya diparamente tse ding tse kang pH le maemo a tshilafatso.
Botsitso:Metsi a ho hlatswa a thehiloeng ho bio a ka hloka tlhokomelo e nepahetseng ya mahloriso.
Phetoho ea Taolo:Litekanyetso tse thata tsa mosi o ntshang di tla eketsa tlhokeho ya dihlahiswa tse tswetseng peletekanyo ea ho hlatswa mahloriso a metsi.
Lipotso Tse Botsoang Khafetsa (Lipotso Tse Botsoang Khafetsa)
Ke hobane'ng ha ho hlatswa khase ea phosgene ho hlokahala?
Ho hlatswa ka phosgeneHo bohlokoa ho tlosa khase e chefo ea phosgene mesieng e kotsi, ho sireletsa basebetsi, sechaba le tikoloho ha ka nako e ts'oanang ho netefatsa hore ho latela melaoana e kang e tsoang ho EPA.
Sesepa sa caustic se sebetsa joang bakeng sa phosgene?
Sesepa se matla se sebedisa NaOH ho fedisa phosgene, e leng se etsang Na₂CO₃, NaCl, le metsi.Methara ea mahloriso a metsi a ho hlatswaLekola maemo a NaOH ho netefatsa hore e monngoa hantle.
Hangata li-scrubbers tsa khase ea phosgene li sebelisoa hokae?
Mekhoa ea ho hlatsoa khasedi sebediswa dimeleng tsa dikhemikhale (di-isocyanate, di-polycarbonate), tlhahiso ya dikhemikhale tsa meriana le tsa temo, le ditsing tsa taolo ya ditshila tse sebetsanang le metswako e nang le chlorine.
Na ho na le mathata a polokeho ka litsamaiso tsa ho hlatsoa khase ea phosgene?
E, litsamaiso li tlameha ho sebetsa ka ho tsoelang pele ka li-backup ho thibela ho lutla ha phosgene.Tekanyo ea ho hlatswa mahloriso a metsie netefatsa botshepehi ba sistimi, mme basebetsi ba hloka PPE le koetliso.
Methara ea mahloriso a metsi a ho hlapa e ntlafatsa katleho joang?
Ba fana ka tlhahisoleseding ea nako ea sebele ho thibela ho qhalana ho feteletseng kapa ho fokotseha ha nako, ho fokotsa nako ea ho se sebetse le ho ntlafatsaho hloekisa likhasebakeng sa ho boloka litšenyehelo le ho latela melao.
Methara ea mahloriso a metsi a ho hlatswalia fetohaho hlatswa ka phosgeneka ho netefatsa hore metsi a mangata a na le metsi a mangata, ho ntlafatsa polokeho, ho latela melao le bokgoni. Ka kopo ikopanye le baenjiniere ba Lonnmeter ho lekola maemo a tshebetso ya hao le ho kgothaletsa di-sensor tse loketseng tsa tshebetso.
Se ke oa lumella ho hloekisa ka mokhoa o sa lokelang ho beha polokeho kapa ho latela melao ea sebaka sa hau kotsing. Ikopanye le rona kajeno ho hlahloba hore nalimithara tsa mahloriso a metsi a ho hlapae ka phahamisatora ea ho hloekisa khasetshebetso. Kopa sampole ya mahala bakeng sacustomizedsollitlhalosofkapacontinuous changntration monitoringtaolong ea ts'ebetso!
Nako ea poso: Phuptjane-13-2025
